def m():
    print('www')


def mm():
    return 'ww', 23, 45


m()
a, b, c = mm()
print(a, b, c)


def k(a,b,c):
    print(a,b,c)

#默认参数
def o(a,b=3):
    print(a,b)
o(2,3)
o(2)
o(2,'44')

#可变参数
def p2(a,c,*args):
    print('wwwwwww')
    print(a)
    print(c)
    print(args)

def p(*args):
    print(args)
p(22,33)
p(1,2,3,34,44)

p2(22,44)
p2(1,2,3,34,44)

#关键字参数
def qw(**kwargs):
    print(kwargs)

qw(a='ww')
qw(a='ww',b=45)
